(19)

(11)

EP 3 439 603 A1

(12)

(43) Date of publication: 13.02.2019 Bulletin 2019/07 (21) Application number: 17707087.7 (22) Date of filing: 12.01.2017

(51) International Patent Classification (IPC):  A61G 5/02(2006.01) (86) International application number: PCT/GB2017/050065 (87) International publication number: WO 2017/122010 (20.07.2017 Gazette 2017/29)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 13.01.2016 GB 201600610 (71) Applicants: Zhang, Shaoyi Nottingham NG11 9JF (GB) Chen, Min Nottingham, Nottinghamshire NG11 9JF (GB)	(72) Inventor: CHEN, Min Nottingham Nottinghamshire NG11 9JF (GB) (74) Representative: Avidity IP  Broers Building Hauser Forum 21 JJ Thomson Avenue Cambridge CB3 0FA Cambridge CB3 0FA (GB)